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authorAl Viro <viro@zeniv.linux.org.uk>2013-03-29 02:56:21 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-04-09 22:13:04 +0400
commit4d8e8d21de89ff9d86b83182f723129533aacaa9 (patch)
tree6fbd43be309f8901fdd2c011e4b4c6a3980b340e /drivers/isdn/hysdn/hysdn_procconf.c
parent03b642a7019a8ec28a450fd4c55f3048ce320f6b (diff)
downloadlinux-4d8e8d21de89ff9d86b83182f723129533aacaa9.tar.xz
hysdn: stash pointer to card into proc_dir_entry->data
no need to search later - we know the card when we are creating procfs entries Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/isdn/hysdn/hysdn_procconf.c')
-rw-r--r--drivers/isdn/hysdn/hysdn_procconf.c32
1 files changed, 5 insertions, 27 deletions
diff --git a/drivers/isdn/hysdn/hysdn_procconf.c b/drivers/isdn/hysdn/hysdn_procconf.c
index 8023d2510fba..dc88bcb25029 100644
--- a/drivers/isdn/hysdn/hysdn_procconf.c
+++ b/drivers/isdn/hysdn/hysdn_procconf.c
@@ -229,23 +229,12 @@ static int
hysdn_conf_open(struct inode *ino, struct file *filep)
{
hysdn_card *card;
- struct proc_dir_entry *pd;
struct conf_writedata *cnf;
char *cp, *tmp;
/* now search the addressed card */
mutex_lock(&hysdn_conf_mutex);
- card = card_root;
- while (card) {
- pd = card->procconf;
- if (pd == PDE(ino))
- break;
- card = card->next; /* search next entry */
- }
- if (!card) {
- mutex_unlock(&hysdn_conf_mutex);
- return (-ENODEV); /* device is unknown/invalid */
- }
+ card = PDE(ino)->data;
if (card->debug_flags & (LOG_PROC_OPEN | LOG_PROC_ALL))
hysdn_addlog(card, "config open for uid=%d gid=%d mode=0x%x",
filep->f_cred->fsuid, filep->f_cred->fsgid,
@@ -317,21 +306,9 @@ hysdn_conf_close(struct inode *ino, struct file *filep)
hysdn_card *card;
struct conf_writedata *cnf;
int retval = 0;
- struct proc_dir_entry *pd;
mutex_lock(&hysdn_conf_mutex);
- /* search the addressed card */
- card = card_root;
- while (card) {
- pd = card->procconf;
- if (pd == PDE(ino))
- break;
- card = card->next; /* search next entry */
- }
- if (!card) {
- mutex_unlock(&hysdn_conf_mutex);
- return (-ENODEV); /* device is unknown/invalid */
- }
+ card = PDE(ino)->data;
if (card->debug_flags & (LOG_PROC_OPEN | LOG_PROC_ALL))
hysdn_addlog(card, "config close for uid=%d gid=%d mode=0x%x",
filep->f_cred->fsuid, filep->f_cred->fsgid,
@@ -394,10 +371,11 @@ hysdn_procconf_init(void)
while (card) {
sprintf(conf_name, "%s%d", PROC_CONF_BASENAME, card->myid);
- if ((card->procconf = (void *) proc_create(conf_name,
+ if ((card->procconf = (void *) proc_create_data(conf_name,
S_IFREG | S_IRUGO | S_IWUSR,
hysdn_proc_entry,
- &conf_fops)) != NULL) {
+ &conf_fops,
+ card)) != NULL) {
hysdn_proclog_init(card); /* init the log file entry */
}
card = card->next; /* next entry */